Question

Cual es el procedimiento para resolver:
3x²+4=16
5x²-12=113
X²-5=76​

Answer 1

Respuesta:

$3x {}^{2} = 16 - 4$

$3x {}^{2} = 12$

$x { }^{2} = 4$

$x = 2$

$5y {}^{2} = 113 + 12$

$5y {}^{2} = 125$

$y {}^{2} = 25$

$y = 5$

$x {}^{2} = 76 + 5$

$x {}^{2} = 81$

$x = 9$